Feature:1. 3‑stage PWM charge management, improve system efficiency and prolong the life span of the battery.2. Solar controller has short-circuit protection, open-circuit protection,reverse protection, over-load protection.3. LCD display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration.4. Two‑way MOS tube anti‑backflow circuit, high‑power charging mode, ultra‑low heat.5. Charging 12V/24V battery, ultra‑wide charge and discharge adjustable, 12V is suitable for 18V solar panels, 24V is suitable for 36V solar panels.How to Use:System Connection:1. Connect the positive and negative poles of the battery to the controller, and the controller will automatically detect the battery voltage.2. Connect the positive and negative poles of the load to the controller after turning off the load. Be careful not to reverse the connection. Turn on the load after connecting.3. Connect the positive and negative poles of the solar panel to the controller.4. Disassembly standard: first disassemble the solar panel, then disassemble the battery, and finally disassemble the load.Specification:Item Type: Solar Charge ControllerMaterial: PVCColor: As shown in the pictureProduct Size: Approx. 13.3x6.8x3cm / 5.2x2.7x1.2inWeight: A